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3 Commits

Author SHA1 Message Date
Daniel Sanders 38ce0f629c [mips][ias] Range check uimm3 operands. 
Summary:

Reviewers: vkalintiris

Subscribers: atanasyan, dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D14016

llvm-svn: 252296
 2015-11-06 12:31:27 +00:00
Daniel Sanders ea4f653d18 [mips][ias] Range check uimm2 operands and fix a bug this revealed. 
Summary:
The bug was that the MIPS32R6/MIPS64R6/microMIPS32R6 versions of LSA and DLSA
(unlike the MSA version) failed to account for the off-by-one encoding of the
immediate. The range is actually 1..4 rather than 0..3.

Reviewers: vkalintiris

Subscribers: atanasyan, dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D14015

llvm-svn: 252295
 2015-11-06 12:22:31 +00:00
Daniel Sanders 52da7af4d2 [mips][ias] Range check uimmz operands. 
Reviewers: vkalintiris

Subscribers: dsanders, atanasyan, llvm-commits

Differential Revision: http://reviews.llvm.org/D14013

llvm-svn: 252294
 2015-11-06 12:11:03 +00:00